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Fix stdarg bugs with MIPS EABI that caused newlib/libstdc++ build failures.

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* config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
	(function_arg_pass_by_reference): Check for a NULL pointer in cum.

From-SVN: r30245
This commit is contained in:
Jim Wilson 1999-10-28 18:29:10 +00:00 committed by Jim Wilson
parent 7ab282a5a0
commit c9fc373cf0
2 changed files with 7 additions and 2 deletions
gcc
ChangeLog
config/mips
mips.c

3
gcc/ChangeLog

@ -1,5 +1,8 @@
Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
* config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
(function_arg_pass_by_reference): Check for a NULL pointer in cum.
* config/i960/i960.c (i960_va_start): New locals base, num.
Use INDIRECT_REF instead of ARRAY_REF on valist.
(i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.

6
gcc/config/mips/mips.c

@ -4199,7 +4199,7 @@ mips_va_arg (valist, type)
if (r != addr_rtx)
emit_move_insn (addr_rtx, r);
emit_jump (gen_jump (lab_over));
emit_jump (lab_over);
emit_barrier ();
emit_label (lab_false);
}
@ -7447,7 +7447,9 @@ function_arg_pass_by_reference (cum, mode, type, named)
??? This is really a kludge. We should either fix GCC so that such
a situation causes an abort and then do something in the MIPS port
to prevent it, or add code to function.c to properly handle the case. */
if (FUNCTION_ARG (*cum, mode, type, named) != 0
/* ??? cum can be NULL when called from mips_va_arg. The problem handled
here hopefully is not relevant to mips_va_arg. */
if (cum && FUNCTION_ARG (*cum, mode, type, named) != 0
&& MUST_PASS_IN_STACK (mode, type))
return 1;